Home Resistant Welding Machine Yuh-Shin Spare Parts & Consumables Spare Parts Gear Wheel Vane Flow Indicator Gear Wheel Vane Flow Indicator Description Gear wheel type Gear-page of red and white two colors, visually clearer. Enquiries Us Related products Ball Flow Indicators Read more Gear Wheel Vane Flow Indicator Read more Silicon Controller Rectifier (SCR) Read more